/Engine/Source/Runtime/Datasmith/CADKernel/Public/CADKernel/Math/SlopeUtils.h
Compute the oriented slope of a segment according to a reference slope
a slope between [-4, 4] i.e. an equivalent angle between [-Pi, Pi]
namespace UE { namespace CADKernel { double UE::CADKernel::ComputeOrientedSlope ( const [FPoint2D](API\Runtime\CADKernel\CADKernel\Math\FPoint2D) & StartPoint, const [FPoint2D](API\Runtime\CADKernel\CADKernel\Math\FPoint2D) & EndPoint, double ReferenceSlope ) } }